./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '3d929c4e9006747fc293836abf67036a0361374cf7a5424bbaba854150966272'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d929c4e9006747fc293836abf67036a0361374cf7a5424bbaba854150966272 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:58:35,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:58:35,803 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:58:35,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:58:35,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:58:35,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:58:35,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:58:35,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:58:35,834 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:58:35,835 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:58:35,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:58:35,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:58:35,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:58:35,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:58:35,836 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:58:35,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:58:35,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:58:35,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:58:35,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:58:35,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:58:35,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:58:35,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:58:35,836 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:58:35,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:58:35,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:58:35,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:58:35,837 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d929c4e9006747fc293836abf67036a0361374cf7a5424bbaba854150966272 [2024-11-07 11:58:36,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:58:36,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:58:36,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:58:36,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:58:36,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:58:36,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2024-11-07 11:58:37,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:58:37,586 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:58:37,586 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2024-11-07 11:58:37,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a36774ab5/ec1a93040cf74dd4b4045cf8f44d30e4/FLAGf0a75562d [2024-11-07 11:58:37,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a36774ab5/ec1a93040cf74dd4b4045cf8f44d30e4 [2024-11-07 11:58:37,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:58:37,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:58:37,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:58:37,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:58:37,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:58:37,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:58:37" (1/1) ... [2024-11-07 11:58:37,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ed5cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:37, skipping insertion in model container [2024-11-07 11:58:37,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:58:37" (1/1) ... [2024-11-07 11:58:37,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:58:37,878 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2024-11-07 11:58:37,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2024-11-07 11:58:38,460 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:38,461 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:38,461 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:38,461 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:38,462 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:38,471 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:38,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:38,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:38,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:38,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:38,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:58:39,036 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:58:39,045 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2024-11-07 11:58:39,046 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2024-11-07 11:58:39,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,095 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,099 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,101 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:39,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-07 11:58:39,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:58:39,302 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:58:39,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39 WrapperNode [2024-11-07 11:58:39,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:58:39,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:58:39,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:58:39,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:58:39,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,481 INFO L138 Inliner]: procedures = 678, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 698 [2024-11-07 11:58:39,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:58:39,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:58:39,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:58:39,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:58:39,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,564 INFO L175 MemorySlicer]: Split 338 memory accesses to 6 slices as follows [2, 238, 3, 82, 6, 7]. 70 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 1, 10, 0, 5]. The 252 writes are split as follows [0, 232, 1, 17, 2, 0]. [2024-11-07 11:58:39,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:58:39,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:58:39,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:58:39,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:58:39,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (1/1) ... [2024-11-07 11:58:39,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:58:39,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:58:39,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 11:58:39,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 11:58:39,696 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-07 11:58:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-07 11:58:39,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:58:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-07 11:58:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-07 11:58:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-07 11:58:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-07 11:58:39,697 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:58:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:58:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:58:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:58:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:58:39,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:58:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:58:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-07 11:58:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:58:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:58:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:58:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:58:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 11:58:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-07 11:58:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-07 11:58:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:58:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:58:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:58:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:58:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:58:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:58:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:58:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:58:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:58:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:58:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-07 11:58:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-07 11:58:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-07 11:58:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:58:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:58:39,945 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:58:39,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:58:45,672 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-07 11:58:45,672 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:58:45,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:58:45,684 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:58:45,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:58:45 BoogieIcfgContainer [2024-11-07 11:58:45,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:58:45,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:58:45,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:58:45,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:58:45,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:58:37" (1/3) ... [2024-11-07 11:58:45,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0f9493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:58:45, skipping insertion in model container [2024-11-07 11:58:45,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:39" (2/3) ... [2024-11-07 11:58:45,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0f9493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:58:45, skipping insertion in model container [2024-11-07 11:58:45,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:58:45" (3/3) ... [2024-11-07 11:58:45,694 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_capacity_harness.i [2024-11-07 11:58:45,704 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:58:45,704 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:58:45,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:58:45,763 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@630a465a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:58:45,764 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:58:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 120 states have (on average 1.2083333333333333) internal successors, (145), 121 states have internal predecessors, (145), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-07 11:58:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 11:58:45,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:58:45,782 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:58:45,782 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:58:45,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:58:45,786 INFO L85 PathProgramCache]: Analyzing trace with hash -996301551, now seen corresponding path program 1 times [2024-11-07 11:58:45,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:58:45,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518067918] [2024-11-07 11:58:45,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:58:45,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:58:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:58:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:58:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:58:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:58:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:58:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:58:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:58:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 11:58:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 11:58:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:58:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:58:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:58:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 11:58:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:58:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:58:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 11:58:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:58:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:51,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 11:58:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:52,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 11:58:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:52,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-07 11:58:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:52,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 11:58:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:52,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 11:58:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:52,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 11:58:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:52,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 11:58:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-07 11:58:52,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:58:52,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518067918] [2024-11-07 11:58:52,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518067918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:58:52,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:58:52,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 11:58:52,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283097720] [2024-11-07 11:58:52,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:58:52,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 11:58:52,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:58:52,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 11:58:52,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:58:52,279 INFO L87 Difference]: Start difference. First operand has 186 states, 120 states have (on average 1.2083333333333333) internal successors, (145), 121 states have internal predecessors, (145), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 11:58:56,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:59:00,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:59:08,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:59:08,217 INFO L93 Difference]: Finished difference Result 374 states and 516 transitions. [2024-11-07 11:59:08,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 11:59:08,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-11-07 11:59:08,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:59:08,233 INFO L225 Difference]: With dead ends: 374 [2024-11-07 11:59:08,233 INFO L226 Difference]: Without dead ends: 206 [2024-11-07 11:59:08,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 11:59:08,239 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 322 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 193 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-11-07 11:59:08,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 147 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 367 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2024-11-07 11:59:08,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-07 11:59:08,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 181. [2024-11-07 11:59:08,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 116 states have (on average 1.1896551724137931) internal successors, (138), 117 states have internal predecessors, (138), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 11:59:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 231 transitions. [2024-11-07 11:59:08,287 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 231 transitions. Word has length 140 [2024-11-07 11:59:08,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:59:08,287 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 231 transitions. [2024-11-07 11:59:08,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 11:59:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2024-11-07 11:59:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 11:59:08,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:59:08,292 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:59:08,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:59:08,293 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:59:08,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:59:08,294 INFO L85 PathProgramCache]: Analyzing trace with hash 357028367, now seen corresponding path program 1 times [2024-11-07 11:59:08,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:59:08,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108780429] [2024-11-07 11:59:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:08,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:59:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:59:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:59:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:59:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:59:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:59:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:59:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:59:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 11:59:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 11:59:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:59:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:59:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:59:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 11:59:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:59:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:59:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 11:59:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:59:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 11:59:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 11:59:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-07 11:59:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 11:59:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 11:59:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 11:59:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 11:59:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-07 11:59:14,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:59:14,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108780429] [2024-11-07 11:59:14,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108780429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:59:14,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:59:14,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 11:59:14,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763409655] [2024-11-07 11:59:14,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:59:14,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 11:59:14,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:59:14,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 11:59:14,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 11:59:14,922 INFO L87 Difference]: Start difference. First operand 181 states and 231 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-07 11:59:18,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:59:23,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:59:42,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:59:42,827 INFO L93 Difference]: Finished difference Result 333 states and 433 transitions. [2024-11-07 11:59:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 11:59:42,828 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 140 [2024-11-07 11:59:42,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:59:42,831 INFO L225 Difference]: With dead ends: 333 [2024-11-07 11:59:42,831 INFO L226 Difference]: Without dead ends: 206 [2024-11-07 11:59:42,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-07 11:59:42,833 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 338 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 194 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2024-11-07 11:59:42,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 198 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 934 Invalid, 2 Unknown, 0 Unchecked, 23.9s Time] [2024-11-07 11:59:42,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-07 11:59:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 181. [2024-11-07 11:59:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 116 states have (on average 1.1810344827586208) internal successors, (137), 117 states have internal predecessors, (137), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 11:59:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 230 transitions. [2024-11-07 11:59:42,857 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 230 transitions. Word has length 140 [2024-11-07 11:59:42,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:59:42,858 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 230 transitions. [2024-11-07 11:59:42,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-07 11:59:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 230 transitions. [2024-11-07 11:59:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 11:59:42,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:59:42,861 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:59:42,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 11:59:42,861 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:59:42,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:59:42,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1719192545, now seen corresponding path program 1 times [2024-11-07 11:59:42,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:59:42,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701496824] [2024-11-07 11:59:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:59:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:59:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:59:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:59:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:59:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:59:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:59:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:59:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 11:59:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 11:59:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 11:59:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:59:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:59:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 11:59:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:59:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:59:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 11:59:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:59:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:50,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 11:59:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 11:59:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:50,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 11:59:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:50,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 11:59:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:50,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 11:59:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:50,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 11:59:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:50,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 11:59:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:50,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 11:59:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-07 11:59:50,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:59:50,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701496824] [2024-11-07 11:59:50,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701496824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:59:50,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764797638] [2024-11-07 11:59:50,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:50,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:59:50,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:59:50,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 11:59:50,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 11:59:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:55,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 4558 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 11:59:55,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:59:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-07 11:59:58,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 11:59:58,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764797638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:59:58,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 11:59:58,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-07 11:59:58,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235305957] [2024-11-07 11:59:58,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:59:58,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 11:59:58,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:59:58,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 11:59:58,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-07 11:59:58,565 INFO L87 Difference]: Start difference. First operand 181 states and 230 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 12:00:05,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:00:05,505 INFO L93 Difference]: Finished difference Result 327 states and 422 transitions. [2024-11-07 12:00:05,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 12:00:05,508 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 148 [2024-11-07 12:00:05,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:00:05,512 INFO L225 Difference]: With dead ends: 327 [2024-11-07 12:00:05,512 INFO L226 Difference]: Without dead ends: 183 [2024-11-07 12:00:05,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-11-07 12:00:05,514 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 265 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:00:05,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1037 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-07 12:00:05,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-07 12:00:05,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-07 12:00:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 117 states have (on average 1.1794871794871795) internal successors, (138), 119 states have internal predecessors, (138), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (49), 46 states have call predecessors, (49), 46 states have call successors, (49) [2024-11-07 12:00:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 234 transitions. [2024-11-07 12:00:05,536 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 234 transitions. Word has length 148 [2024-11-07 12:00:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:00:05,537 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 234 transitions. [2024-11-07 12:00:05,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 12:00:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2024-11-07 12:00:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 12:00:05,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:00:05,540 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:00:05,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 12:00:05,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:00:05,742 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:00:05,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:00:05,742 INFO L85 PathProgramCache]: Analyzing trace with hash 268202549, now seen corresponding path program 1 times [2024-11-07 12:00:05,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:00:05,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832551097] [2024-11-07 12:00:05,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:00:05,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:00:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:00:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:00:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:00:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:00:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:00:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:00:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:00:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:00:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:00:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:13,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:00:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:13,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:00:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:13,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:00:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66